Why Yellow Lights?
Yellow light penetrates further because of its long wavelength, but it's still much smaller than fog particles therefore penetrating light though the fog better and further then a white light.
Hella 500 Series lamps have been around for years and feature awesome styling effects and race-proven performance! It features a high-impact ABS housing, bonded, water-tight assembly and an aluminum vapor coated reflector. Upright or pendant single-stud mounting.